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How United States ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to United States over time.
The largest autonomous systems registered to United States by IPv4 footprint.
| AS | Holder | IPv4 | Prefixes |
|---|---|---|---|
| AS749US | DNIC-AS-00749 - United States Department of Defense (DoD) | 227.7M | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.3M | 21,277 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,248 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) |
United States against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 413 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,722 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,955 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,298 |
| — |
| 0 |
| AS400500US | SSFCU-AS-3 - Security Service Federal Credit Union | — | — | 0 |
| AS400561US | POWERSCHOOL-BETHLEHEM - PowerSchool | — | — | 0 |
| AS400611US | WCCHC-01 - Waianae District Comprehensive Health & Hospital Board Inc | — | — | 0 |
| AS400635US | PDNS-REGION-0 - ThreatSTOP | — | — | 0 |
| AS400689US | STRATADEFENSE-01 - StrataDefense, LLC | — | — | 0 |
| AS400755US | GO-DADDY-COM-LLC - GoDaddy.com, LLC | — | — | 0 |
| AS400795US | ROOT-HQ - ROOT, INC. | — | — | 0 |
| AS400796US | LITCOM-02 - Omni Fiber | — | — | 0 |
| AS400872US | VMW-NASA-IPV6 - Avago Technologies U.S. Inc. | — | — | 0 |
| AS400991US | ZOOT-BLG - Zoot Enterprises, Inc. | — | — | 0 |
| AS401070US | SYUENT-01 - Syufy Enterprises | — | — | 0 |
| AS401088US | IZT-CLOUD-USA-MI - IZT Cloud | — | — | 0 |
| AS401177US | AXIOMSPACE - Axiom Space, Inc. | — | — | 0 |
| AS401277US | ANDYL - ANDYL, INC | — | — | 0 |
| AS401284US | NTS-BATONROUGE-01 - Vexus Fiber | — | — | 0 |
| AS401309US | MRHC-MAIN - Magnolia Regional Health Center | — | — | 0 |
| AS401311US | ALIEN - ALIEN, LLC | — | — | 0 |
| AS401369US | MINAKILABS-AS02-AS03 - MinakiLabs | — | — | 0 |
| AS401391US | ISLETA-RESORT-AND-CASINO - Isleta Resort and Casino | — | — | 0 |
| AS401403US | NOVASTREAM - NovaStream, LLC | — | — | 0 |
| AS401409US | ASCENT-AS01 - Ascent Hospitality Management LLC | — | — | 0 |
| AS401425US | BASTETRIX-CONSULTING - Bastetrix LLC | — | — | 0 |
| AS401487US | SUPER-BROADBAND-LLC - SUPER BROADBAND LLC | — | — | 0 |
| AS401515US | BNY-INS-EME-HLW - The Bank of New York Mellon Corporation | — | — | 0 |
| AS401516US | BNY-INS-EME-WOK - The Bank of New York Mellon Corporation | — | — | 0 |
| AS401646US | GUARDIAN-SECURITY - Guardian Security Systems, Inc. | — | — | 0 |
| AS401704US | JANIKING - JANI-KING INTERNATIONAL, INC. | — | — | 0 |
| AS401717US | NLRPDJC-SEGRA - City of North Little Rock | — | — | 0 |
| AS401726US | NANTBEAM - NantBeam, LLC | — | — | 0 |
| AS401745US | OPENPAYA - Openpaya | — | — | 0 |
| AS401796US | TTC-001 - Terral Telephone | — | — | 0 |
| AS401860US | FIBERWISE001 - FiberWise LLC | — | — | 0 |
| AS401881US | CLOUVIDER - Clouvider, Inc. | — | — | 0 |
| AS401946US | MESATRONIX - Mesatronix LLC | — | — | 0 |
| AS401950US | BUNDLE-BONE - IPNSIG INC. | — | — | 0 |
| AS401989US | GAYLORD CONSULTING - Gaylord Consulting | — | — | 0 |
| AS402005US | CORELOCATED-01 - Core Located Global LLC | — | — | 0 |
| AS402029US | BAYOUCABLE - Bayou Cable, Inc. | — | — | 0 |
| AS402048US | PCCUA-DEWITT-AS - Phillips Community College of the University of Arkansas | — | — | 0 |
| AS402052US | DIT - Dynamic Internet Technology Inc. | — | — | 0 |
| AS402080US | BGCORP - Backbone Group Corporation | — | — | 0 |
| AS402140US | IMC-GLOBAL - IMC Markets | — | — | 0 |
| AS402209US | DEEPINTENT - DeepIntent, Inc. | — | — | 0 |
| AS402291US | OPTICSTREAM-AS - OPTICSTREAM COMMUNICATIONS LLC | — | — | 0 |
| AS402300US | PLATTE-COUNTY-WY-01 - Platte County Wyoming | — | — | 0 |
| AS402341US | HILL - Hill | — | — | 0 |